XANES study at 'FE' K-edge of an iron phthalocyanine adsorbed on 'MG'-'AL' hydrotalcite-like compounds - Barbosa, César Augusto Sales; Dias, Patrícia Moura; Ferreira, Ana Maria da Costa; Constantino, Vera Regina Leopoldo (Reunião Anual de Usuários do LNLS, 2004)